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Matches 1 - 50 out of 32,829

Document Document Title
WO/2019/214944A1
The invention specifies an arrangement having at least one electrical module (2) which is arranged on a heat sink (3). The arrangement has: - first deflection elements (4) which are formed in or on the electrical module (2), - second def...  
WO/2019/215194A1
The invention relates to a charging system (1) having at least one DC power terminal (2, 3) and at least one AC power terminal (8) with a battery power terminal (6). The battery power terminal (6) can be connected to a battery (7), in pa...  
WO/2019/216486A1
The present invention relates to an apparatus for controlling a PFM operation of a DC-DC buck converter by using an internal parasitic voltage, the apparatus implementing a PFM-mode operation by indirectly measuring a load current throug...  
WO/2019/213673A1
A power supply circuit includes at least two input terminals that receive an input voltage, a transformer including a primary side electrically connected to the input voltage, a rectifier electrically connected to a secondary side of the...  
WO/2019/212563A1
Systems and methods for protecting switching devices in a power converter in doubly fed induction generator power systems are provided. A DFIG system can include a DFIG generator and a power converter comprising a line side converter and...  
WO/2019/212967A1
In a Power over Data Lines (PoDL) system that conducts differential data and DC power over the same wire pair, various DC coupling techniques are described that improve DC voltage coupling while attenuating AC common mode noise. Pairs of...  
WO/2019/212258A1
The present invention relates to an EMI filter for preventing noise emitted from a power line cable. An isolated type active EMI filter having no elements added to a power line comprises: a common mode choke disposed on a power supply si...  
WO/2019/212453A1
Systems and methods for operating a power converter with a plurality of inverter blocks with silicon carbide MOSFETs are provided. A converter can include a plurality of inverter blocks. Each inverter block can include a plurality of swi...  
WO/2019/212342A1
Electric power converter unit for converting Direct Current to Direct Current, DC-DC, said converter unit comprising: a single stage DC- DC converting module (3), arranged for connecting with an energy harvesting module (2) for receiving...  
WO/2019/212652A1
An inverter system is provided that includes switches that alternate between closed and open states to conduct or block conduction, respectively, of electric current through the switches and switch controllers that control operation of t...  
WO/2019/212970A1
A PoDL system conducts differential data and DC power over the same wire pair, and various DC coupling techniques are described that improve DC voltage coupling while attenuating AC common mode noise. Pairs of differential mode chokes (D...  
WO/2019/211431A1
Embodiments described herein introduce two sets of methods for limiting the voltage stress across switches in multi-level flying capacitor step-down de-de converters during the start-up sequence.Systems, devices, apparatuses, controllers...  
WO/2019/211286A1
The present disclosure relates to a resonant type power factor correction AC-DC converter comprising: an AC side circuit having a first AC connection (aca+) and a second AC connection (aca-) defining an AC side input port, wherein the fi...  
WO/2019/211290A1
The present disclosure relates to switched mode bidirectional resonant type AC-DC converter comprising: an AC side circuit having a first AC connection (aca+) and a second AC connection (aca-) defining an AC side port, wherein the first ...  
WO/2019/211284A1
The present disclosure relates to a switched mode bidirectional AC-DC converter comprising: an AC side circuit comprising at least two AC power switch pairs comprising a diode and an active switch arranged in parallel; a DC side circuit;...  
WO/2019/212147A1
There is provided an adaptor, which includes an input circuit that rectifies an alternating current (AC) power input from outside the adaptor to a direct current (DC) voltage; a first converter that converts the rectified DC voltage to a...  
WO/2019/207666A1
Provided is a power conversion device for an arc flash, which can prevent an arc flash generated in a disk from being discharged to an operation surface that operates the disk, and can release the pressure in the disk from a flapper part...  
WO/2019/209552A1
An output capacitor of a switching converter filters the triangular current waveform output by an inductor. An auxiliary capacitor, having a capacitance that is much smaller than a capacitance of the output capacitor, is coupled in paral...  
WO/2019/208250A1
This power supply device is provided with: a first heat-generating component; a case which contains the first heat-generating component; a resin material which is filled into the case, while being formed into a box-like shape that opens ...  
WO/2019/060252A8
A triac dimmer switch has an LC filter between the load output and the incoming AC supply, in order to protect the load against fluctuations in the incoming AC.  
WO/2019/206068A1
The present invention provides a PFWM control system for a switched-mode power supply circuit, for controlling an output voltage, an output current, or an output power of the switched-mode power supply. The PFWM control system for the sw...  
WO/2019/206198A1
An autonomous apparatus, moving and performing a preset operation within a defined area of operation. The autonomous apparatus comprises an energy module for providing energy thereto, a motor, a sensor circuit, and a control circuit. The...  
WO/2019/206067A1
The present invention provides a switched-mode power supply circuit, comprising a boost inductor, a boost capacitor, an energy storage capacitor, a transformer or a DC-DC inductor, a first switch device, an output rectifier element, a fi...  
WO/2019/206612A1
The invention relates to a DC/DC converter (200) for resonant operation with potential separation, comprising: a transformer (230) having a primary-side and a secondary-side inductance (231, 232); an inverter arrangement (110) that is co...  
WO/2019/207847A1
A plurality of drive circuits (110, 210) respectively drive a plurality of power semiconductor elements (100, 200) connected in parallel. Each of the drive circuits includes a control command unit (112), a current detector (111), a diffe...  
WO/2019/206550A1
An inverter circuit arrangement that connects an IO-link master with a slave comprises an AB class transistor circuit (Qnc2, Qpc2) of which the currents are replicated by a current mirror (Qpo1, Qno1, Qpo2, Qno2) to a terminal of the sla...  
WO/2019/207977A1
The purpose of the present invention relates to suppressing the fluctuation of gate-source voltage in a gate drive circuit using SiC voltage-driven semiconductor elements. In order to achieve this purpose, according to the present invent...  
WO/2019/205940A1
Provided are an over-voltage protection circuit for a switching power supply, the switching power supply, and a compressor. The over-voltage protection circuit comprises: a first voltage sampling module, with one end of the first voltage...  
WO/2019/208839A1
Disclosed is a light-emitting diode illumination device, comprising: a first LED light source and a second LED light source which are included in a first light source group; a third LED light source and a fourth LED light source which ar...  
WO/2019/209443A1
A capacitor discharge circuit for discharging a capacitor to a discharge load. The discharge circuity includes current level sensing circuitry for producing a control signal circuity response to current passing to the discharge load. The...  
WO/2019/206910A1
In order to render possible reliable charging of the intermediate circuit capacitors of an inverter (1) which comprises an intermediate circuit (3), a DC/AC voltage bridge (3) and a control unit (5), according to the invention an interme...  
WO/2019/200813A1
The present invention relates to a conversion circuit board of a BLDC motor and an air condition control system applying the conversion circuit board and for use in a hotel. The conversion circuit board of the BLDC motor comprises a micr...  
WO/2019/201893A1
Voltage supply device having - at least one intermediate circuit comprising at least one intermediate circuit capacitor (Czk), - at least one power converter (S), wherein the power converter (S) is connected to the connections of the int...  
WO/2019/201854A1
A charge pump circuit (10) comprises a series circuit of a number N of stage circuits (11 to 14). A stage circuit (11 to 4) comprises a converter circuit (17, 27 to 29), a stage output (16, 24 to 26), a stage input (15, 21 to 23) coupled...  
WO/2019/202922A1
The power conversion device according to the present invention has a P-bus-line (P) and an N-bus-line (N) and is connected to a DC voltage source to which the P-bus-line and the N-bus-line supply DC power. The power conversion device is ...  
WO/2019/201993A1
Current source rectifiers (CSR) and methods for a power source including three phase lines are provided herein. The CSR includes a rectifier having a plurality of switches, each switch of the plurality of switches coupled to an associate...  
WO/2019/201778A1
The invention relates to an LED converter assembly (10) for operating at least one LED (41), comprising detection means (17) for detecting an electric feed variable (16) of the at least one LED (41) and a controller (15) for actuating sw...  
WO/2019/203143A1
[Problem] To provide a power conversion device with which it is possible to smoothly supply a compensation current that cancels out a leakage current from a load, using an available and relatively simple configuration, without specially ...  
WO/2019/202862A1
The gate drive circuit (GD1) is provided with: a first switching element (SW1) connected between a positive electrode of a direct-current power source (3) and a first node (N1); a second switching element (SW2) connected between a negati...  
WO/2019/197236A1
The invention relates to a neutral point clamped (NPC) inverter (1) with an upper half-bridge (2) and a lower half-bridge (3). Each half-bridge (2, 3) has an inner transistor (T2, T3) and an outer transistor (T1, T4). The neutral point c...  
WO/2019/199439A1
A power supply unit includes a set of primary circuits operably coupled to a set of phase pair electrical inputs. The electrical inputs provide an input voltage via alternating current. Each primary circuit receives a phased pair electri...  
WO/2019/197023A1
The present disclosure relates to a method of controlling a power converter (1), the converter being connected to an AC grid (42) via a power transformer (41), wherein by means of the converter a current is injected into the grid via sai...  
WO/2019/195867A1
The invention relates to a power inverter circuit (1) which has a power inverter (2) and at least one intermediate circuit (3). In order to achieve a high degree of practicality and energy efficiency, a ceramic component (9) is arranged ...  
WO/2019/197302A1
The invention relates to a photovoltaic energy generating system (1) comprising a string (20) which has a series circuit of solar modules (10) and which is electrically connected to a power inverter (30) via connection lines (50) in orde...  
WO/2019/196782A1
Disclosed in the present invention is a switch power supply circuit used for three-phase input, comprising a first input rectification circuit, a first capacitor, a Boost feedback drive control circuit, and one or more Boost conversion c...  
WO/2019/197922A1
Embodiments of the disclosure include a switch having an on-state resistance that varies based on a temperature coefficient of the switch and an overcurrent protection circuit coupled to the switch and having an adjustable overcurrent th...  
WO/2019/199299A1
A power converter includes a first rectifier circuit having a pair of first rectifier circuit output terminals and a second rectifier circuit having a pair of second rectifier circuit output terminals, a snubber circuit comprising a firs...  
WO/2019/197556A1
Protection device for protection against electromagnetic disturbances in electrical networks (200), the protection device (100) comprising an electromagnetic filter (1). The electromagnetic filter (1) comprises a first and a second input...  
WO/2019/196784A1
A switching power supply circuit, comprising: a first loop formed by charging a first capacitor (C1) with a first input rectifying circuit (D1); a second loop formed by charging a second capacitor (C2) with a second input rectifying circ...  
WO/2019/196318A1
Provided in the present invention is a switch power supply, comprising an isolated feedback loop for feeding back an output voltage VCC to a control circuit, the isolated feedback loop comprising an optical coupler U1, a current-limiting...  

Matches 1 - 50 out of 32,829